Adaptors for vacuum cleaners



FIG. 1 is a perspective view of an adaptor for vacuum cleaners showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof viewed from the side opposite that illustrated in FIG. 3;

FIG. 6 is a front elevational view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an adaptor for vacuum cleaners, substantially as shown. 